Home / 861,677.52-1,189,162.08-479,695.92

Finding the Fourth Proportional to 861,677.52, 1,189,162.08 and 479,695.92

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Solution

The fourth proportional to 861,677.52, 1,189,162.08 and 479,695.92 is: 662,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,677.52 : 1,189,162.08 = 479,695.92 : x
  2. Step 2: Convert to fraction form
    861,677.52/1,189,162.08 = 479,695.92/x
  3. Step 3: Cross multiply
    861,677.52x = 1,189,162.08 × 479,695.92
  4. Step 4: Simplify right side
    861,677.52x = 570,436,197,994.71
  5. Step 5: Solve for x
    x = 570,436,197,994.71/861,677.52
  6. Step 6: Final answer
    x = 662,006.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.